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Showing posts with label NOESY experiment of diastereomer 10α (3S. Show all posts
Showing posts with label NOESY experiment of diastereomer 10α (3S. Show all posts

Sunday 30 April 2017

NOESY experiment of diastereomer 10α (3S, 5R) .......(3S,5R)-3-Benzyl-5-isobutyl-1,3,4,5-tetrahydro-2H-thieno[3,2-e]- [1,4]diazepin-2-one (10α)







NOESY experiment of diastereomer 10α (3S, 5R)
(3S,5R)-3-Benzyl-5-isobutyl-1,3,4,5-tetrahydro-2H-thieno[3,2-e]- [1,4]diazepin-2-one (10α):

Pale yellow solid, 50% (64.0 mg),

m.p. 66.7–67.4 °C.

[α]D 29 = –122.2 (c = 1.0, MeOH).

1 H NMR (CDCl3, 300 MHz): δ = 0.90 (d, J = 6.3 Hz, 3 H), 0.92 (d, J = 6.6 Hz, 3 H), 1.36–1.54 (m, 2 H), 1.81 (m, 1 H), 2.08 (s, 1 H), 3.13 (d, J = 5.1 Hz, 2 H), 3.93 (t, J = 5.1 Hz, 1 H), 4.67 (dd, J = 3.0, J = 9.9 Hz, 1 H), 7.15–7.30 (m, 8 H) ppm.

13C NMR (CDCl3, 75 MHz): δ = 21.48, 23.79, 24.71, 36.81, 42.09, 59.63, 73.76, 111.68, 120.97, 125.09, 126.92, 126.97, 128.70, 129.83 (2 C), 135.11, 136.90, 172.65 ppm.

LC–MS (ESI+): m/z = 315.2 [M + H]+.

HRMS: calcd. for C18H23N2OS 315.1531 [M + H]+; found 315.1531


10.1002/ejoc.201500943

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